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annotate piecrust/sources/prose.py @ 852:4850f8c21b6e

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core: Start of the big refactor for PieCrust 3.0. * Everything is a `ContentSource`, including assets directories. * Most content sources are subclasses of the base file-system source. * A source is processed by a "pipeline", and there are 2 built-in pipelines, one for assets and one for pages. The asset pipeline is vaguely functional, but the page pipeline is completely broken right now. * Rewrite the baking process as just running appropriate pipelines on each content item. This should allow for better parallelization.
author Ludovic Chabant <ludovic@chabant.com>
date Wed, 17 May 2017 00:11:48 -0700
parents 65db6df28120
children f070a4fc033c
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55910ab4bfea First draft of the `prose` page source.
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1 import os
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2 import os.path
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3 import copy
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4 import logging
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5 from piecrust.sources.default import DefaultContentSource
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8 logger = logging.getLogger(__name__)
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11 class ProseSource(DefaultContentSource):
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12 SOURCE_NAME = 'prose'
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14 def __init__(self, app, name, config):
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15 super(ProseSource, self).__init__(app, name, config)
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16 self.config_recipe = config.get('config', {})
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18 def _populateMetadata(self, rel_path, metadata, mode=None):
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19 metadata['config'] = self._makeConfig(rel_path, mode)
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21 def _makeConfig(self, rel_path, mode):
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22 c = copy.deepcopy(self.config_recipe)
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23 if c.get('title') == '%first_line%' and mode != MODE_CREATING:
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24 path = os.path.join(self.fs_endpoint_path, rel_path)
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25 try:
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26 c['title'] = get_first_line(path)
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27 except IOError:
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28 if mode == MODE_PARSING:
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29 raise
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30 return c
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33 def get_first_line(path):
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34 with open(path, 'r') as f:
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35 while True:
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36 l = f.readline()
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37 if not l:
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38 break
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39 l = l.strip()
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40 if not l:
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41 continue
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42 return l
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43 return None
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